Sound Sleep 15" Overture Tight Top Mattress: * Tough-tech comfort pad * 390-coil roll pack spring * 1.25" eco flex * Eco loft inherent fire barrier * Factory select cover * Limited warranty * Twin dimensions: 78" x 41" * Queen dimensions: 78" x 62.25" * Beds sold separately. See our assortment of beds. * Bed frames sold separately. See our assortment of bed frames. * Great for platform beds. Requires foundation or box spring with standard bed frames. * Foundations sold separately. See our assortment of foundations.